Borehole Maintenance Schedule: Maximizing Well Longevity
"A borehole is a valuable commercial asset. Failing to perform periodic draw-down tests and bacterial monitoring can result in casing collapse or permanent yield reduction."
Many property owners assume that once a borehole is drilled and cased, it will yield clean water indefinitely with zero intervention. This is a costly misconception.
Over time, silting, iron-bacteria build-up, and calcification can clog the intake screen, reducing flow rates and putting immense mechanical strain on the submersible pump motor.
A comprehensive preventive maintenance program is crucial. This schedule should include annual draw-down tests to verify static and dynamic water levels, electrical resistance tests of the motor windings to detect insulation decay, and deep chemical flushes to remove iron encrustations.
By following a systematic checklist—monitoring motor current draw, verifying non-return valve sealing, and running annual pump performance tests—you can double the lifespan of your pump and protect your water security.
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